I have recently lost 20 lbs. from 220 to 200. I started exercising ,treadmill, sit ups other exercise to improve my health. I started getting vertigo whirling effects upon waking and quick movement . Dr,prescribed pills but now after pills ran out , I still have whirling but mostly when I wake up. I m 61 ,smoker 1 1/2 pack a day ,light beer drinker what s going on?